A077664 as a triangular array
| | | | | | | | | | | | 2 |
| | | | | | | | | | | | 3 | | 5 |
| | | | | | | | | | | 4 | | 5 | | 7 |
| | | | | | | | | | 5 | | 7 | | 9 | | 11 |
| | | | | | | | | 6 | | 7 | | 8 | | 9 | | 11 |
| | | | | | | | 7 | | 11 | | 13 | | 17 | | 19 | | 23 |
| | | | | | | 8 | | 9 | | 10 | | 11 | | 12 | | 13 | | 15 |
| | | | | | 9 | | 11 | | 13 | | 15 | | 17 | | 19 | | 21 | | 23 |
| | | | | 10 | | 11 | | 13 | | 14 | | 16 | | 17 | | 19 | | 20 | | 22 |
| | | | 11 | | 13 | | 17 | | 19 | | 21 | | 23 | | 27 | | 29 | | 31 | | 33 |
| | | 12 | | 13 | | 14 | | 15 | | 16 | | 17 | | 18 | | 19 | | 20 | | 21 | | 23 |
| | 13 | | 17 | | 19 | | 23 | | 25 | | 29 | | 31 | | 35 | | 37 | | 41 | | 43 | | 47 |
|
A077664 as a square array
2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13
| 5 | 5 | 7 | 7 | 11 | 9 | 11 | 11 | 13 | 13 | 17
| 7 | 9 | 8 | 13 | 10 | 13 | 13 | 17 | 14 | 19
| 11 | 9 | 17 | 11 | 15 | 14 | 19 | 15 | 23
| 11 | 19 | 12 | 17 | 16 | 21 | 16 | 25
| 23 | 13 | 19 | 17 | 23 | 17 | 29
| 15 | 21 | 19 | 27 | 18 | 31
| 23 | 20 | 29 | 19 | 35
| 22 | 31 | 20 | 37
| 33 | 21 | 41
| 23 | 43
| 47
|
A077664 as an upper right triangle
2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13
| | 5 | 5 | 7 | 7 | 11 | 9 | 11 | 11 | 13 | 13 | 17
| | | 7 | 9 | 8 | 13 | 10 | 13 | 13 | 17 | 14 | 19
| | | | 11 | 9 | 17 | 11 | 15 | 14 | 19 | 15 | 23
| | | | | 11 | 19 | 12 | 17 | 16 | 21 | 16 | 25
| | | | | | 23 | 13 | 19 | 17 | 23 | 17 | 29
| | | | | | | 15 | 21 | 19 | 27 | 18 | 31
| | | | | | | | 23 | 20 | 29 | 19 | 35
| | | | | | | | | 22 | 31 | 20 | 37
| | | | | | | | | | 33 | 21 | 41
| | | | | | | | | | | 23 | 43
| | | | | | | | | | | | 47
|
|